11426909547 has 16 divisors (see below), whose sum is σ = 15680810880. Its totient is φ = 7398585792.

The previous prime is 11426909479. The next prime is 11426909561. The reversal of 11426909547 is 74590962411.

It is a happy number.

11426909547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11426909547 - 2⁷ = 11426909419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11426909496 and 11426909505.

It is not an unprimeable number, because it can be changed into a prime (11426909647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374218 + ... + 403599.

It is an arithmetic number, because the mean of its divisors is an integer number (980050680).

Almost surely, 2^11426909547 is an apocalyptic number.

11426909547 is a deficient number, since it is larger than the sum of its proper divisors (4253901333).

11426909547 is an equidigital number, since it uses as much as digits as its factorization.

11426909547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777962.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 11426909547 in words is "eleven billion, four hundred twenty-six million, nine hundred nine thousand, five hundred forty-seven".